Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/07/2026, 06:12
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
GunnyClient.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
GunnyClient.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target GunnyClient.exe
- Size 30.6MB
- Sample260710-gyadhset2p
- SHA256 6767735344cff685fb503f1ba15238c1b6a505b9681aa4199f0109cd7dc13e0a
- MD5 0f77b59c578ba599438e8b1315ea17e1
- SHA1 1dfe38b11752d34706dd42190d6e610e20459440
- SHA512 fa1636f193b976de08057dce3896c76355bb1c648e191bc5b719d2b969cd0a3e9a1d1158d0cbcb17c5297f9a5d4529e95ed1fc4ac11f29c6bbdb96315b436d67
- SSDEEP 786432:dDBHM8Tnu6bznCm3HNycCBfXR+9rgv9KLSMCcrLdB22yhb8:dDBso6m3VOErEYSMCcrLdBNyhA
- TLSH T1A467E062B681C3F1C14E29B17C27672E65B82E2D47207DC366DC385B657D3D28A3628F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
Malware Config
Signatures
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Z: GunnyClient.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 17 checkip.dyndns.org - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language GunnyClient.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 GunnyClient.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz GunnyClient.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1388 GunnyClient.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1388 GunnyClient.exe 1388 GunnyClient.exe 1388 GunnyClient.exe 1388 GunnyClient.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\GunnyClient.exe"C:\Users\Admin\AppData\Local\Temp\GunnyClient.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1388
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\support\flashplayer\sys\settings.sol
- Size 492B
- SHA256 a2a6870c3ed29326df5b8417b3859e18dcb7e8b271b92f719473d3e30e0e362e
- MD5 6ca22f9859b41f652ae8f6470a5137b3
- SHA1 ef4cfa6f9e38b8a98ecacbb44f704b69d177aeda
- SHA512 4b8ec3c43c60c926e9b27287e43473e9c2b76bd9a2d0df3a09aac80b63ca17d495594132d59a03b95398db16a5f34153862d8f7896131c83c6e42218675d087f
- TLSH T1E8F055C66130C5BDD96E5A3D0184633A2A21AB5F32867812429D51A1BE9FCB38D0F689
- MD5 SHA1 SHA512 TLSH